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®
OfficeConnect
ADSL Wireless 54 Mbps 11g Firewall
Router
User Guide
WL-552
3CRWDR101A-75
3CRWDR101B-75
http://www.3Com.com/
Part No. 10015091 Rev. AA
Published March 2006
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3Com Corporation Copyright © 2004, 2005, 2006, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, 350 Campus Drive, transformation, or adaptation) without written permission from 3Com Corporation. Marlborough, MA 3Com Corporation reserves the right to revise this documentation and to make changes in content from time USA 01752-3064 to time without obligation on the part of
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CONTENTS ABOUT THIS GUIDE Naming Convention 7 Conventions 8 Feedback About This User Guide 8 Related Documentation 9 1 INTRODUCING THE ROUTER OfficeConnect ADSL Wireless 54 Mbps 11g Firewall Router 11 Router Advantages 13 Package Contents 13 Minimum System and Component Requirements 14 Physical Features 14 2 INSTALLING THE ROUTER Introduction 17 Safety Information 17 Positioning the Router 17 Using the Rubber Feet 18 Wall Mounting 18 Powering Up the Router 19 Connecting the Router 19 3 SETTING U
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4 RUNNING THE SETUP WIZARD Accessing the Setup Wizard 27 Setup Wizard - Change Password 30 Setup Wizard - Time and Time Zone 30 Setup Wizard - Connection Type 31 Setup Wizard - LAN Settings 36 Setup Wizard - Wireless Settings 37 Setup Wizard - Configuration Summary 38 5 CONFIGURING THE ROUTER Navigating Through the Router Configuration screens 39 Main Menu 39 Welcome Screen 39 Status 39 LAN Settings 40 LAN Settings 40 DHCP Clients List 41 Wireless Settings 43 Configuration 44 Encryption 45 Conne
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Schedule Rule 74 PC Privileges 75 URL Filter 77 Server Control 79 Quality of Service 81 QoS Settings 81 Traffic Mapping 81 Traffic Statistics 82 Advanced 83 Security 83 Static Routes 86 RIP 87 DDNS 88 SNMP 90 Syslog 91 Proxy ARP 92 System Tools 93 Restart Router 93 Configuration 93 Upgrade 94 Time Zone 95 Ping 96 Traceroute 97 DNS Lookup 98 Status and Logs 99 Status 99 ADSL Status 99 ATM PVC Status 100 Routing Table 100 Logs 101 Support/Feedback 102 Support 102 Feedback 102 6 TROUBLESHOOTING Bas
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Connecting to the Internet 104 Forgotten Password and Reset to Factory Defaults 104 Wireless Networking 105 Recovering from Corrupted Software 107 Frequently Asked Questions 108 A IP ADDRESSING The Internet Protocol Suite 109 Managing the Router over the Network 109 IP Addresses and Subnet Masks 109 How does a Device Obtain an IP Address and Subnet Mask? 111 DHCP Addressing 111 Static Addressing 111 Auto-IP Addressing 111 B TECHNICAL SPECIFICATIONS OfficeConnect ADSL Wireless 54Mbps 11g Firewall
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GLOSSARY REGULATORY NOTICES INDEX
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ABOUT THIS GUIDE This guide describes how to install and configure the 3Com © OfficeConnect ADSL Wireless 54 Mbps 11g Firewall Router (3CRWDR101A-75/3CRWDR101B-75). This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks) and Internet Routers. If a release note is shipped with the 3Com OfficeConnect ADSL Wireless 54 Mbps 11g Firewall Router and contains information th
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8 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device. Warning Information that alerts you to potential personal injury. Table 2 Text Conventions Convention Description The words “enter” When y
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Feedback About This User Guide 9 Feedback About Your suggestions are very important to us. They will help make our This User Guide documentation more useful to you. Please e-mail comments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: ■ Document title ■ Document part number (on the title page) ■ Page number (if appropriate) Example: ■ 3Com OfficeConnect ADSL Wireless 54Mbps 11g Firewall Router User Guide ■ Part Number 10
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10 ABOUT THIS GUIDE
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INTRODUCING THE ROUTER 1 ® Welcome to the world of networking with 3Com . In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking advantage. OfficeConnect ADSL The OfficeConnect ADSL Wireless 54 Mbps 11g Firewall Router is Wireless 54 Mbps designed to provide a cost-effective means of sharing a single broadband 11
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12 CHAPTER 1: INTRODUCING THE ROUTER Figure 1 Example Network Without a Router When you use the Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network. Figure 2 Example Network Using a Firewall Router
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Router Advantages 13 Router Advantages The advantages of the Router include: ■ Shared Internet connection for both wired and wireless computers ■ High speed 802.11g wireless networking ■ No need for a dedicated, “always on” computer serving as your Internet connection ■ Cross-platform operation for compatibility with Windows, Unix and Macintosh computers ■ Easy-to-use, Web-based setup and configuration ■ Provides centralization of all network address settings (DHCP) ■ Acts as a Virtual server
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14 CHAPTER 1: INTRODUCING THE ROUTER Minimum System Your Router requires that the computer(s) and components in your and Component network be configured with at least the following: Requirements ■ A computer with an operating system that supports TCP/IP networking protocols (for example Windows 98/NT/Me/2000/XP, Unix, Mac OS 8.5 or higher). ■ An Ethernet 10 Mbps or 10/100 Mbps NIC for each computer to be connected to the four-port switch on your Router. ■ An 802.11b or 802.11g wireless NIC.
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Physical Features 15 2Power LED Green Indicates that the Router is powered on, and the boot up is successful. 3SYNC LED Green If the LED is on it indicates that DSL connection is present. This LED flashes during configuration at power up. 4Online LED Green If this LED is on, your username/password has been authenticated successfully with your ISP. 5 Wireless LAN (WLAN) Status LED Green If the LED is on it indicates that wireless networking is enabled. If the LED is flashing, the link is OK
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16 CHAPTER 1: INTRODUCING THE ROUTER The rear panel (Figure 4) of the Router contains four LAN ports, one ADSL port, a reset button, a power OK LED, and a power adapter socket. Figure 4 Router - Rear Panel 7 Wireless Antennae The antennae should be placed in a ‘V’ position when initially installed. CAUTION: Do not force the antennae beyond their mechanical stops. Rotating the antennae further may cause damage. 8ADSL Port Using the RJ-11 cable provided, you should connect your Router to the
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INSTALLING THE ROUTER 2 Introduction This chapter will guide you through a basic installation of the Router, including: ■ Connecting the Router to the Internet. ■ Connecting the Router to your network. ■ Setting up your computers for networking with the Router. Safety Information Please note the following: WARNING: Please read the “Safety Information” section in Appendix C before you start. VORSICHT: Bitte lesen Sie den Abschnitt “Wichtige Sicherheitshinweise” sorgfältig durch, bevor Sie das
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18 CHAPTER 2: INSTALLING THE ROUTER When positioning your Router, ensure: ■ It is out of direct sunlight and away from sources of heat. ■ Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ Water or moisture cannot enter the case of the unit. ■ Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) clea
